Police, fire, ambulance units descending on the college minutes after active shooter was reported.
At least 13 people have been killed in a shooting at Umpqua Community College in Oregon.
The attacker was reportedly detained after the shooting at the 3,000-student school.
At least 20 people have been wounded.
The college is located in Roseburg, Oregon, a rural area about 175 miles (281 km) south of Portland.